Auth bypass in Nextcloud Global_site_selector

CVE-2024-22212

Nextcloud Global Site Selector is a tool which allows you to run multiple small Nextcloud instances and redirect users to the right server. A problem in the password verification method allows an attacker to authenticate as another user. I…

Vulnerability class: Broken Authentication

EPSS: 0.008 (51.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-22212?
CVE-2024-22212 is a critical-severity vulnerability in Nextcloud Global_site_selector, classified under Missing Authentication for Critical Function. CVSS score: 9.6/10. Published 2024-01-18.
How severe is CVE-2024-22212?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2024-22212 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.